Vise for tennis-racket heads



Feb. 22,1927. 1,618,532

- J. H. HILDEMANN VISE FOR TENNIS RACKET HEAD'S Filed May 8, 1926 INVENTOR:

JOHN H. Hun: MAN/V,

Patented Feb. 22, 1927.

UNITED si mriss am ogsercs.

VISE "FOR TENNIS-RACKET HEADS.

This invention relates to de-Vicesby which theheadend of a tennis racket may be securely clamped and held for stringing purposes.

One of the objects of this inven-tionis to provide a device with an adjustable aw .to reach over the top edge of a tennis racket and which may be dropped to a certain extent to allow a finishing after-a stringing of the racket.

Another object is to provide a device with oppositely disposed jaws-to engage in a diagonal direction as well as from opposite sides overthe frame of aracket.

Other objects will appear from the following description and appended claims as well as from the accompanying drawing, in which Fig. 1 is a top plan view of a vise of a simple form, embodying the invention, part of one jaw being broken away to illustrate the relation of one jaw to the other, with the cushioning means; and

Fig- 2 is a side elevation of the bracket portion of the vise in Fig. 1, with. the jaw portions shown in mid-sectional view.

For stringing rackets, the rackets must be held firmly against twisting from any angle, and, on the other hand, it must be possible to do a certain amount.of finishing after the stringing while the racket should still beheld in a vise, however, free around the upper edges.

As illustrated, the bracket portion 8 is designed to be secured to a bench or other suitable base. The upper end of this bracket is made in the form of one jaw member at, having a practically level engaging face 5, set oif against the top end proper, indicated at 6, and having a forwardly pointing curved engaging face 7. The level face 5 serves to support a racket placed on the vise on its underside, and the curved face serves to engage over the inside of the racket.

The clamping member 8 is provided with an engaging face curved oppositely to the face 7, as indicated at 9. The upper engaging face 10 is designed to overlap the face 5, and at the same time is inclined for the purpose of drawing; and pressing a tennis racket against the opposite faces 5 and 7. The rear side 11 of the clamping member is also inclined for the purpose of causing a drawing and pressing in the direction of the faces 5 and 7 so that the opposing faces 5 and 7, on one side, and the faces A 1926. Serial no. 1.07.653.

9-and 10-onthe other sideare moved wtfiO- wards each other inv a somewhat diagonal direction. The bolt 12 is for similar reasons disposed at an angle to the upright portion of the bracket, so that the-knob 13 mayserve to applypressure to the clamping member 8;

in this diagonaldirection.

A lining 1415 is applied to the jaw faces,'andan extraheavy lining 16 is applied over the first lining 15. The lining 16 is disposed in-a recessof which the central portion 17 is deeper, while-the recess-is more shallow towards the edgeslS, inasmuch as this recessis provided inthe fiat side of the clamping member 8, this fiat side being merely recessed enough to take care of the curvature required for the lining.

The bracket 3 is provided with holes 19 by which the bracket may be fastened to a bench or similar support.

The clamping member 8 is provided with a slot 20, allowing a dropping of the jaw to a suitable extent. This serves to provide for proper engagement while a tennis racket is firmly clamped between the opposite aws, while it allows a dropping of the clamping member below the upper edges of the racket after the stringing, for finishing work. The front edge of the clamping member may in such a case serve fully well to engage the racket against the angularly disposed engaging faces 5 and 7.

Having thus described my invention, I claim:

1. A tennis-racket stringing head vise, consisting of oppositely disposed angular jaw members with adjusting means disposed for diagonally moving the aws other. Y

2. A tennis-racket stringing head vise, consisting of one jaw member with angularly disposed engaging faces, a secondjaw member with engaging faces disposed to oppose the first-named faces, and controlling means for moving the oppositely disposed jaw faces in a diagonal manner.

3. A tennis-racket stringing head vise, consisting of one aw member with angularly disposed engaging faces formed to support a racket on its under side and to engage the racket over the inner curved side, and

a second jaw member with engaging faces pointing in the. opposite direction and dis- I posed to move towards the first-named faces.

towardseach 4. A tennis-racket stringing vise, consisting: of; one 111w 111en1l1e1' with anenlai'ly disposed engaging faces formed to support :1- ':1ekel on one of its flat, sides 11nd to enene'e the racket over the inner curved side. and :1 second jaw 111e111l1e1r with one engaging lnee eul'i'e-d oppositely to the lirst-11z1111ed eni'ved tee and with another engaging 'ttlCO slz111ti111: upwardly so 115 to allow 1 :t'orei 11g of 11 'nelzet towards the flat enengiim' face of the tirst-1111111ed jaw 111011111101. while the curved t'aees are moved toward eneh other.

5. A ten11is-1'11ehet stringing vise, e1111 sisting oi one jaw 111e1nbe1' with nngnhu'ly disposed engaging l'iiees lo1111ed to support :1 i'nelcet on one of its tlzltsides 21nd on one of its curved sides, :1 second jaw 11'1e111l1e1r having: one engaging Fave curved to engage diagonal 111111111131, and lining 1111111115 on the engaging faces.

(3. A. tennis-racked; stringing vise, eon- Sistine of one jaw niemher with enguhnrly disposed engaging faces formed to Sl1] )]')t)1't; :1 i'eeket on one of its tlnt sides and on one of its curved sides, :1 seeond jaw nleinher having one engaging "tnee curved to engage the i'in'het time the opposite side engaged by the tirsst-nzuned ein'ved time and having 1111- other taee disposed inclined to engage the JEltktti on the opposite side of the first-stated supported sidm controlling, means for mov ing: the oppositely disposed jaw faces towei'ds eeeh other, 11nd adjusting means whereby one ol" the jaw IIIQIDbGI'S c1111 he d topped to :1 eertain extent below the neirnnd engaging position in relation to the opposite 121w.

In testimony that I claim the foregoing 11s my invention I have signed my name.

JOHN H. HILDEMAN N. 

